feat(modules/items/albums): create `AlbumSubscriber` and validate album properties after load

[Mnigos]

closes #406

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.40%. Comparing base (dc22b99) to head (812aaeb). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #414 +/- ## ======================================= Coverage 99.39% 99.40% ======================================= Files 74 75 +1 Lines 2824 2861 +37 Branches 252 255 +3 ======================================= + Hits 2807 2844 +37 Misses 17 17 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.